i've looked around and i found only two related designs:
- active electric water condenser.
- solar passive water still (that distill dirty water)
not quite what i was looking for...
closed as off topic by Chris Cudmore, Niall C.♦, Tester101♦ Aug 23 '12 at 20:32
Questions on Home Improvement Stack Exchange are expected to relate to home improvement within the scope defined by the community. Consider editing the question or leaving comments for improvement if you believe the question can be reworded to fit within the scope. Read more about reopening questions here.If this question can be reworded to fit the rules in the help center, please edit the question.
Finely, i've found this product. the closest i came to... although i would like to find a diy design that generates water for adults trees.